138172580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 373685760

約数和(自身を除く): 235513180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 79, 91, 124, 130, 140, 155, 158, 182, 217, 260, 310, 316, 364, 395, 403, 434, 455, 553, 620, 790, 806, 868, 910, 961, 1027, 1085, 1106, 1580, 1612, 1820, 1922, 2015, 2054, 2170, 2212, 2449, 2765, 2821, 3844, 4030, 4108, 4340, 4805, 4898, 5135, 5530, 5642, 6727, 7189, 8060, 9610, 9796, 10270, 11060, 11284, 12245, 12493, 13454, 14105, 14378, 17143, 19220, 20540, 24490, 24986, 26908, 28210, 28756, 31837, 33635, 34286, 35945, 48980, 49972, 56420, 62465, 63674, 67270, 68572, 71890, 75919, 85715, 87451, 124930, 127348, 134540, 143780, 151838, 159185, 171430, 174902, 222859, 249860, 303676, 318370, 342860, 349804, 379595, 437255, 445718, 531433, 636740, 759190, 874510, 891436, 986947, 1062866, 1114295, 1518380, 1749020, 1973894, 2125732, 2228590, 2657165, 3947788, 4457180, 4934735, 5314330, 6908629, 9869470, 10628660, 13817258, 19738940, 27634516, 34543145, 69086290, 138172580]

約数ペア:

[(1, 138172580), (2, 69086290), (4, 34543145), (5, 27634516), (7, 19738940), (10, 13817258), (13, 10628660), (14, 9869470), (20, 6908629), (26, 5314330), (28, 4934735), (31, 4457180), (35, 3947788), (52, 2657165), (62, 2228590), (65, 2125732), (70, 1973894), (79, 1749020), (91, 1518380), (124, 1114295), (130, 1062866), (140, 986947), (155, 891436), (158, 874510), (182, 759190), (217, 636740), (260, 531433), (310, 445718), (316, 437255), (364, 379595), (395, 349804), (403, 342860), (434, 318370), (455, 303676), (553, 249860), (620, 222859), (790, 174902), (806, 171430), (868, 159185), (910, 151838), (961, 143780), (1027, 134540), (1085, 127348), (1106, 124930), (1580, 87451), (1612, 85715), (1820, 75919), (1922, 71890), (2015, 68572), (2054, 67270), (2170, 63674), (2212, 62465), (2449, 56420), (2765, 49972), (2821, 48980), (3844, 35945), (4030, 34286), (4108, 33635), (4340, 31837), (4805, 28756), (4898, 28210), (5135, 26908), (5530, 24986), (5642, 24490), (6727, 20540), (7189, 19220), (8060, 17143), (9610, 14378), (9796, 14105), (10270, 13454), (11060, 12493), (11284, 12245)]